Message type: E = Error
Message class: LCM_CATEGORY - Messages for LCM Categories
Message number: 021
Message text: You cannot set Type "Node" in line &1 if Category doesn't have any Leaf
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The SAP error message LCM_CATEGORY021 indicates that you are trying to set a node type in a category that does not have any leaf nodes. This typically occurs in the context of SAP's Master Data Governance (MDG) or similar applications where hierarchical data structures are used.
Cause: The error arises when you attempt to create or modify a category in a way that is not allowed by the current structure of the category. Specifically, it means that: You are trying to define a node (which is a parent in a hierarchy) in a category that has not been defined with any leaf nodes (which are the end points in a hierarchy). In hierarchical data structures, a node must have at least one leaf node to be valid. A leaf node is a terminal node that does not have any children.
Solution: To resolve this error, you can take the following steps: Check the Category Structure: Review the category
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